laughing hyena
(mathematics, physics) A mathematical formulation for a black hole which does not contain a singularity. The environment outside the event horizon is the same as other formulations for black holes.
(informal) The spotted hyena (Crocuta crocuta); so called because of the resemblance of its call to human laughter.
plural of tropidophid
(petrology) A type of pebble that has three curved faces formed by wind-blown sand.
夕日がサバンナに沈むころ、一頭のブチハイエナが背の高い草むらから現れ、死骸を調べ始めた。
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